<p>
  选择样式
</p>

<a [routerLink]="['./styles', 'css']">Css</a>
<a [routerLink]="['./styles', 'less']">Less</a>
<a [routerLink]="['./styles', 'sass']">Sass</a>
<a [routerLink]="['./styles']" [queryParams]="{first: 'css', second: 'less', third: 'sass'}">全部</a>

<router-outlet></router-outlet>
